Fireproofing compound



COMPOSITIONS, COATING 0R PLASTIC.

UNITED STATES Cross Reference PATENT OFFICE.

JOHN T. GREENWOOD, JR, OF BELOIT, WISCONSIN.

FlREPROOFlNG COMPOUND. /0 I 77 SPECIFICATION forming part of LettersPatent No. 322,280, dated July 14, 1885.

Application filed March 23, 1885. (Specimens) T 0 all whom it mayconcern:

Be it known that 1. JOHN T. GREENWOOD,

JR., a citizen of the United States, residing at Bcloit, in the countyof Rock, and State of Wisconsin, have'invented certain new and usefulImprovements in FireProof Paint; and I do declare the following to be afull, clear, and exact description of the invention, such as will enableothers skilled in the artto which it appertains to make and use thesame.

This invention has relation to fire-proof and other paints; and thenovelty consists in combining the ingredients properly, so that theresulting composition will resist the action of the elements.

In (onpounding this mixturel proceed as follows: In a suitablereceptacle I place fifty gallons of coal-tar, then add five pounds ofsilicate of so a. welve pounds of asbestos,

Wlaster-ofaris, twelve poun s o fine salt, and stir the same until allthe ingredien'ffire thoroughly incorporated. Next, I add five pounds ofred lead, eight pounds of lithar e one gallon of as haltuni five poundsoi V enetian red or 013F611 sui'f'bla 3 pi,"-

ment or coloriu -matter, and again stir until the mixture has become ahomogeneous mass.

This paint is intended especially to resist the action of fire, althoughit is very well adapted by its application to prevent dampness fromentering a dwelling or to preserve any article from the influences ofthe weather when exposed thereto.

What I claim, and desire to secure by Letters Patent, is-

Thepaint composition herein described, con sisting of coal-tar, silicateof soda, asbestus, plaster-of-paris, salt, red lead, litharge,asphaltum, and Venetian red or other pigment or coloring-matter,substantially as specified.

In testimony whereof I afilx my signaturein presence of two witnesses.

' J. T. GREENW'OOD, JR.

Witnesses:

PHILIP C. MAsI, M. P. CALLAN.

